public class UmpleC2 extends Operator{
	public Cana execute(Cana cc){
		Cana c=cc;
		c.setY(4);
		return c;
	}
	public boolean valabil(Cana c){
		boolean r=false;
		if((c.getY() < 4))
			r=true;
		return r;
	}
}